Although Black Bat Detective Mysteries was centered around a series of stories featuring The Black Bat, this is not the same crime fighter that was made famous in Black Book Detective Magazine but is instead a separate character created by Murray Leinster.. (Pub. Info.)

Black Book Detective Magazine was a fairly average pulp until it introduced the character of The Black Bat crimefighter in the July 1939 issue. He featured in about 60% of the magazines issues and was directly responsible for the magazine surviving into the early 1950s, long after most detective pulps.

Canadian reprint edition of Black Book Detective. Number of issues published not known but all issues seen appear to be direct reprints of the US issues so it is likely that all the US issues from Winter 1945 on (at least) were reprinted in Canada. (Pub. Info.)

This title is listed by Mike Cook, in Mystery, Detective and Espionage Magazines, as a retitling of Bakka Magazine, but closer examination shows that the magazine was still called Bakka Magazine and simply used Black Box as a subtitle on the seventh issue.